/* Tổng quan */
    .page-3king-apk {
      font-family: 'Arial', sans-serif;
      color: #e0e0e0;
      background-color: #1a1a2e; /* Nền tối */
      line-height: 1.6;
      padding-top: 10px; /* Nhỏ gọn hơn, dựa vào body padding của shared.css */
    }

    .page-3king-apk__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    /* Tiêu đề */
    .page-3king-apk__heading-primary {
      color: #e94560; /* Màu đỏ hồng nổi bật */
      text-align: center;
      margin-bottom: 30px;
      font-size: 2.5em;
      line-height: 1.2;
    }

    .page-3king-apk__heading-secondary {
      color: #0f3460; /* Màu xanh đậm */
      text-align: center;
      margin: 40px 0 20px;
      font-size: 2em;
      position: relative;
      padding-bottom: 10px;
    }

    .page-3king-apk__heading-secondary::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 3px;
      background-color: #e94560;
    }

    .page-3king-apk__heading-tertiary {
      color: #0f3460;
      font-size: 1.5em;
      margin: 30px 0 15px;
    }

    /* Các nút nổi */
    .page-3king-apk__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-3king-apk__button {
      background-color: #e94560;
      color: #ffffff;
      padding: 12px 25px;
      border: none;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      text-decoration: none;
      text-align: center;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      white-space: nowrap; /* Ngăn chặn ngắt dòng */
    }

    .page-3king-apk__button:hover {
      background-color: #c0392b;
      transform: translateY(-2px);
    }

    /* Phần Hero */
    .page-3king-apk__hero-section {
      background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('[GALLERY:hero:1920x1080:mobile_gaming,online_casino,3king_apk]') no-repeat center center/cover;
      text-align: center;
      padding: 80px 20px;
      border-radius: 10px;
      margin-bottom: 40px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-3king-apk__hero-content {
      max-width: 800px;
      margin: 0 auto;
    }

    .page-3king-apk__hero-text {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: #c0c0c0;
    }

    /* Phần giới thiệu */
    .page-3king-apk__introduction-section {
      background-color: #0f3460; /* Màu xanh đậm hơn */
      padding: 40px 20px;
      border-radius: 10px;
      margin-bottom: 40px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }

    .page-3king-apk__introduction-text {
      font-size: 1.1em;
      text-align: center;
      color: #e0e0e0;
    }

    /* Lợi ích / Tính năng */
    .page-3king-apk__features-section {
      margin-bottom: 40px;
    }

    .page-3king-apk__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }

    .page-3king-apk__feature-item {
      background-color: #0f3460;
      padding: 25px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box; /* Quan trọng cho responsive */
    }

    .page-3king-apk__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    }

    .page-3king-apk__feature-icon {
      margin-bottom: 15px;
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      margin-left: auto;
      margin-right: auto;
      border-radius: 8px;
    }

    .page-3king-apk__feature-title {
      color: #e94560;
      font-size: 1.3em;
      margin-bottom: 10px;
    }

    .page-3king-apk__feature-description {
      color: #c0c0c0;
    }

    /* Hướng dẫn tải */
    .page-3king-apk__download-guide {
      background-color: #0f3460;
      padding: 40px 20px;
      border-radius: 10px;
      margin-bottom: 40px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }

    .page-3king-apk__download-steps {
      list-style: none;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .page-3king-apk__download-step-item {
      background-color: #1a1a2e;
      padding: 20px;
      border-radius: 8px;
      display: flex;
      align-items: flex-start;
      gap: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      box-sizing: border-box; /* Quan trọng cho responsive */
      word-wrap: break-word; /* Đảm bảo văn bản không tràn */
      overflow-wrap: break-word;
    }

    .page-3king-apk__step-number {
      background-color: #e94560;
      color: #ffffff;
      border-radius: 50%;
      width: 35px;
      height: 35px;
      display: flex;
      justify-content: center;
      align-items: center;
      font-weight: bold;
      font-size: 1.2em;
      flex-shrink: 0;
    }

    .page-3king-apk__step-content h3 {
      color: #e94560;
      margin-top: 0;
      margin-bottom: 5px;
    }

    .page-3king-apk__step-content p {
      color: #c0c0c0;
      margin-bottom: 0;
    }

    .page-3king-apk__download-image {
      text-align: center;
      margin-top: 30px;
      margin-bottom: 30px;
    }

    .page-3king-apk__download-image img {
      max-width: 100%;
      height: auto;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    }

    /* Trò chơi */
    .page-3king-apk__games-section {
      margin-bottom: 40px;
    }

    .page-3king-apk__games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
    }

    .page-3king-apk__game-card {
      background-color: #0f3460;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      box-sizing: border-box; /* Quan trọng cho responsive */
    }

    .page-3king-apk__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    }

    .page-3king-apk__game-image {
      width: 100%;
      height: 180px; /* Chiều cao cố định cho hình ảnh */
      object-fit: cover;
      display: block;
    }

    .page-3king-apk__game-info {
      padding: 15px;
    }

    .page-3king-apk__game-title {
      color: #e94560;
      font-size: 1.2em;
      margin-bottom: 10px;
    }

    .page-3king-apk__game-description {
      color: #c0c0c0;
      font-size: 0.95em;
    }

    /* Khuyến mãi */
    .page-3king-apk__promotions-section {
      background-color: #0f3460;
      padding: 40px 20px;
      border-radius: 10px;
      margin-bottom: 40px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
      text-align: center;
    }

    .page-3king-apk__promotion-card {
      background-color: #1a1a2e;
      border-radius: 8px;
      padding: 25px;
      margin-bottom: 20px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      text-align: left;
    }

    .page-3king-apk__promotion-title {
      color: #e94560;
      font-size: 1.5em;
      margin-bottom: 10px;
    }

    .page-3king-apk__promotion-description {
      color: #c0c0c0;
      margin-bottom: 15px;
    }

    .page-3king-apk__promotion-button {
      background-color: #e94560;
      color: #ffffff;
      padding: 10px 20px;
      border: none;
      border-radius: 5px;
      font-size: 1em;
      cursor: pointer;
      transition: background-color 0.3s ease;
      display: inline-block; /* Để button không chiếm toàn bộ chiều rộng */
    }

    .page-3king-apk__promotion-button:hover {
      background-color: #c0392b;
    }

    /* FAQ Section */
    .page-3king-apk__faq-section {
      margin-bottom: 40px;
    }

    .page-3king-apk__faq-list {
      list-style: none;
      padding: 0;
    }

    .page-3king-apk__faq-item {
      background-color: #0f3460;
      margin-bottom: 15px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      overflow: hidden;
      box-sizing: border-box; /* Quan trọng cho responsive */
    }

    .page-3king-apk__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #1a1a2e;
      color: #e94560;
      cursor: pointer;
      font-size: 1.1em;
      font-weight: bold;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-3king-apk__faq-question:hover {
      background-color: #2b2b4d;
    }

    .page-3king-apk__faq-question h3 {
      margin: 0;
      color: #e94560;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      flex-grow: 1; /* Cho phép h3 chiếm không gian còn lại */
    }

    .page-3king-apk__faq-toggle {
      font-size: 1.5em;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn toggle chặn sự kiện click */
    }

    .page-3king-apk__faq-item.active .page-3king-apk__faq-toggle {
      transform: rotate(45deg); /* Biến + thành X hoặc - */
    }

    .page-3king-apk__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      color: #c0c0c0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      font-size: 0.95em;
      box-sizing: border-box; /* Quan trọng cho responsive */
    }

    .page-3king-apk__faq-item.active .page-3king-apk__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px !important;
      opacity: 1;
    }

    /* Footer CTA */
    .page-3king-apk__cta-section {
      text-align: center;
      padding: 50px 20px;
      background-color: #0f3460;
      border-radius: 10px;
      margin-top: 40px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }

    .page-3king-apk__cta-title {
      color: #e94560;
      font-size: 2em;
      margin-bottom: 20px;
    }

    .page-3king-apk__cta-text {
      font-size: 1.2em;
      margin-bottom: 30px;
      color: #c0c0c0;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-3king-apk__container {
        padding: 10px;
      }

      .page-3king-apk__heading-primary {
        font-size: 1.8em;
      }

      .page-3king-apk__heading-secondary {
        font-size: 1.5em;
        margin-top: 30px;
      }

      .page-3king-apk__heading-tertiary {
        font-size: 1.3em;
      }

      .page-3king-apk__hero-section {
        padding: 60px 15px;
      }

      .page-3king-apk__hero-text {
        font-size: 1em;
      }

      .page-3king-apk__floating-buttons {
        flex-direction: row;
        width: calc(100% - 40px);
        bottom: 10px;
        right: 10px;
        left: 10px;
        justify-content: center;
        gap: 15px;
      }

      .page-3king-apk__button {
        padding: 10px 20px;
        font-size: 0.95em;
        flex: 1; /* Chia đều không gian cho các nút */
        max-width: 150px; /* Giới hạn kích thước nút trên di động */
      }

      .page-3king-apk__features-grid,
      .page-3king-apk__games-grid {
        grid-template-columns: 1fr;
      }

      .page-3king-apk__feature-item,
      .page-3king-apk__game-card,
      .page-3king-apk__download-step-item,
      .page-3king-apk__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 15px;
      }

      .page-3king-apk__download-steps,
      .page-3king-apk__faq-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-3king-apk__faq-answer {
        padding: 0 15px; /* Điều chỉnh padding cho di động */
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }

      .page-3king-apk__faq-item.active .page-3king-apk__faq-answer {
        padding: 15px !important; /* Điều chỉnh padding cho di động khi mở */
      }

      .page-3king-apk__download-step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }

      .page-3king-apk__step-number {
        margin-bottom: 10px;
      }

      .page-3king-apk__cta-title {
        font-size: 1.5em;
      }

      .page-3king-apk__cta-text {
        font-size: 1em;
      }
    }

    @media (max-width: 480px) {
      .page-3king-apk__floating-buttons {
        flex-direction: column; /* Xếp chồng nút trên màn hình rất nhỏ */
        align-items: center;
        right: 10px;
        left: 10px;
      }
      .page-3king-apk__button {
        width: 100%;
        max-width: 200px; /* Giới hạn độ rộng tối đa */
      }
    }